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Autobacs Seven

The renewal of a 30m-high automated warehouse strengthened resiliency of the supply chain and saves energy consumption.

Autobacs Seven, East Japan Distribution Center
STV system connects the automated warehouse, receiving area and picking stations. Both vehicle and travel rails were renewed. Only 13 vehicles covers the volume which was previously handled by 15 vehicles.


Three-story building with the total floor area 37,365 square meters.

Autobacs Seven Co., Ltd. operates approximately 600 automotive supply stores “Autobacs Stores” across Japan. To support its supply chain, Autobacs has been running two logistics bases, East Japan Logistics Center located in Chiba since 1996 and West Japan Logistics Center in Hyogo since 1997.

Both bases were built under "twin centers" concept and use the same material handling system and stock the same items, thereby ensuring a uniform logistics service level and business continuity plan (BCP).

Looking ahead to future supply chain

In 2011, 15 years after the East Japan Logistics Center had been in operation, Autobacs began reviewing its supply chain and logistics system. After analyzing various possibilities, including the establishment of new logistics basis and the consolidation of existing bases, Autobacs decided to retain the two existing centers, while updating the material handling systems inside.

Renewing without stopping logistics operations

The biggest challenge was how to implement the renovation work of both East and West Center in sequence without interrupting its logistics operations. Then, Autobacs has developed the following three strategies.

  1. 1.Renovation work to be carried out from early Jaunary to March, when the logistic volume is the lowest in a year.
  2. 2.Set up a temporary warehouse next to the existing automated warehouse to store products during the renovation work period
  3. 3.Delegate the delivery task to some stores from East Japan Logistics Center to West Japan Logistics Center or vice versa to cover each other.

In 2016, Autobacs started the renovation work from West Japan Logistics Center. Following the strategy outlined above, Autobacs transferred products that were expected to be shipped during the renovation period from the automated warehouse to the temporary storage tents in advance. In addition, the 53 stores in the Chubu region which are normally served by West Japan Logistics Center were temporarily handed over to East Japan Logistics Center, so that overall supply chain is maintained.

Renewing the material handling equipment

Over the course of two months from January 2016, the rack-supported building AS/RS, rail-guided vehicle system Sorting Transfer Vehicle (STV) and other peripheral equipment was renewed. For the stacker crane in the automated warehouse, the frame, masts and racks were kept as they were, while the major moving or electrical parts such as the control panel, motors, rails and wheels were replaced to new ones. Furthermore, the entire STV system was replaced with the latest faster model.

The rack-supported building AS/RS with a height of 30 meters and a storage capacity of 6,840 pallets. The stacker crane's travel rails and wheels were worn out after 20 years of operation.
While renewing the control panels, motors, wheels and rails, the upper/lower frames, masts and racks were used as they were to minimize the renovation period.

After repeating almost the same renovation work at East Japan Logistics Center in 2017, Autobacs completed a series of renovation projects and are ready for future growth.

AUtobacs, West Japan Logistics Center

Customer's Voice

Hiroshi Tsukiji,
Genearl Manager, Logistics Management

The nenewal enabled us to extend the life of the material handling system and maintain the logistic function at lower cost comparing to making a new investment. As a result of renewal, the error frequency dropped significantly at input and retrieval area. Furthermore, the latest STV system handles the same volume with less vehicle quantity, previously 15 units and now 13 units. Together with the renewal of the sorter and picking system, we managed to save electricity consumption by 30%.

Daifuku's retrofitting solutions

Daifuku offers intralogistics solutions for your current and future needs. Once the system goes live, we walk along with you and provide necessary preventive service, repair service, modification, expansion and retrofitting/renovation service to maximize the system capabilities and life. Read more about "Daifuku Retrofitting Solution".

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